why do some objects need special shape to move?
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Objects moving in fluids faces the fluid friction which opposes their motion. So to reduce the fluid friction Objects moving in fluids must have special shapes called streamlined shapes.
When objects move through fluids, they have to overcome the friction acting on them. Efforts are therefore made to minimize the friction so objects are given special shapes. Idea of such shapes come from the body structure of birds and fishes which have to move about in fluids all the time. Such shapes are called streamlined. Giving such shapes to the ships, plane and cars is called streamlining.
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Objects moving in fluids faces the fluid friction which opposes their motion. So to reduce the fluid friction Objects moving in fluids must have special shapes called streamlined shapes.
When objects move through fluids, they have to overcome the friction acting on them. Efforts are therefore made to minimize the friction so objects are given special shapes. Idea of such shapes come from the body structure of birds and fishes which have to move about in fluids all the time. Such shapes are called streamlined. Giving such shapes to the ships, plane and cars is called streamlining.
Don't forget to SUBSCRIBE my YouTube channel (BanarasiiiINDIA) if this answer is helpful for you.This is my YouTube channel Link-https://www.youtube.com/channel/UC27NLinpXVunbzVQ0vdHabQ
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